Group Building Based Power Consumption Scheduling for the Electricity Cost Minimization with Peak Load Reduction

  • Oh, Eunsung ;
  • Park, Jong-Bae ;
  • Son, Sung-Yong
  • Received : 2013.10.21
  • Accepted : 2014.06.10
  • Published : 2014.11.01


In this paper, we investigate a group building based power consumption scheduling to minimize the electricity cost. We consider the demand shift to reduce the peak load and suggest the compensation function reflecting the relationship between the change of the building demand and the occupants' comfort. Using that, the electricity cost minimization problem satisfied the convexity is formulated, and the optimal power consumption scheduling algorithm is proposed based on the iterative method. Extensive simulations show that the proposed algorithm achieves the group management gain compared to the individual building operation by increasing the degree of freedom for the operation.


Power consumption scheduling;Group energy management system;Building energy management system;Demand shifting;Peak reduction;Building comfort


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Supported by : Korea Institute of Energy Technology Evaluation Panning(KETEP)